I have seen this on pocket-lint today. Apparently Creative launched two PCI-e sound cards meant for gamers. Both use the PCI-e bus and genuine X-Fi chip and give the benefit of single-wire digital connection (Dolby Digital Encoding of the in-game audio, including EAX HD effects). See for yourself here:
http://www.pocket-lint.co.uk/n...er-x-fi-titanium.phtml
http://www.pocket-lint.co.uk/n...er-x-fi-titanium.phtml